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GET /api/patches/2231482/?format=api
{ "id": 2231482, "url": "http://patchwork.ozlabs.org/api/patches/2231482/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/b9e833f68e4a4dfaf3a2102f1c8f439138e46612.1777571962.git.matyas.bobek@gmail.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<b9e833f68e4a4dfaf3a2102f1c8f439138e46612.1777571962.git.matyas.bobek@gmail.com>", "list_archive_url": null, "date": "2026-04-30T18:26:09", "name": "[v3,7/7] docs/arm/sabrelite: Mention FlexCAN support", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "36588b05a47048cfff5276a43fbf98a4ae5bb4bb", "submitter": { "id": 92267, "url": "http://patchwork.ozlabs.org/api/people/92267/?format=api", "name": "Matyáš Bobek", "email": "matyas.bobek@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/b9e833f68e4a4dfaf3a2102f1c8f439138e46612.1777571962.git.matyas.bobek@gmail.com/mbox/", "series": [ { "id": 502356, "url": "http://patchwork.ozlabs.org/api/series/502356/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502356", "date": "2026-04-30T18:26:02", "name": "hw/arm/sabrelite: Add FlexCAN support", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/502356/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2231482/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2231482/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=ii8JR5AX;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g62j34V5xz1yJr\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 01 May 2026 04:27:51 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wIW6Y-0006lx-Uq; Thu, 30 Apr 2026 14:27:19 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <matyas.bobek@gmail.com>)\n id 1wIW68-0006Yp-KA\n for qemu-devel@nongnu.org; Thu, 30 Apr 2026 14:26:54 -0400", "from mail-wr1-x434.google.com ([2a00:1450:4864:20::434])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from <matyas.bobek@gmail.com>)\n id 1wIW5n-0005W4-5n\n for qemu-devel@nongnu.org; Thu, 30 Apr 2026 14:26:35 -0400", "by mail-wr1-x434.google.com with SMTP id\n ffacd0b85a97d-444826c16ffso1128650f8f.1\n for <qemu-devel@nongnu.org>; Thu, 30 Apr 2026 11:26:27 -0700 (PDT)", "from acidburn.pod.cvut.cz (acidburn.pod.cvut.cz. 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charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2a00:1450:4864:20::434;\n envelope-from=matyas.bobek@gmail.com; helo=mail-wr1-x434.google.com", "X-Spam_score_int": "-20", "X-Spam_score": "-2.1", "X-Spam_bar": "--", "X-Spam_report": "(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Also added example command line usage of the Sabrelite board\nwith FlexCAN controllers.\n\nSigned-off-by: Matyáš Bobek <matyas.bobek@gmail.com>\nSigned-off-by: Pavel Pisa <pisa@fel.cvut.cz>\nTested-by: Pavel Pisa <pisa@fel.cvut.cz>\nReviewed-by: Bernhard Beschow <shentey@gmail.com>\nReviewed-by: Pavel Pisa <pisa@fel.cvut.cz>\n---\n docs/system/arm/sabrelite.rst | 1 +\n docs/system/devices/can.rst | 24 ++++++++++++++++++++++++\n 2 files changed, 25 insertions(+)", "diff": "diff --git a/docs/system/arm/sabrelite.rst b/docs/system/arm/sabrelite.rst\nindex 4ccb0560af..d3a3c01dd6 100644\n--- a/docs/system/arm/sabrelite.rst\n+++ b/docs/system/arm/sabrelite.rst\n@@ -24,6 +24,7 @@ The SABRE Lite machine supports the following devices:\n * 4 SDHC storage controllers\n * 4 USB 2.0 host controllers\n * 5 ECSPI controllers\n+ * 2 FlexCAN CAN controllers\n * 1 SST 25VF016B flash\n \n Please note above list is a complete superset the QEMU SABRE Lite machine can\ndiff --git a/docs/system/devices/can.rst b/docs/system/devices/can.rst\nindex 09121836fd..622f898952 100644\n--- a/docs/system/devices/can.rst\n+++ b/docs/system/devices/can.rst\n@@ -173,6 +173,30 @@ The test can also be run the other way around, generating messages in the\n guest system and capturing them in the host system. Other combinations are\n also possible.\n \n+Examples on how to use CAN emulation for FlexCAN on SabreLite board\n+-------------------------------------------------------------------\n+FlexCANs are connected to QEMU CAN buses by passing the bus IDs as machine\n+properties:\n+\n+* property ``canbus0`` for connecting ``flexcan1``\n+* property ``canbus1`` for connecting ``flexcan2``\n+\n+Note that upstream Linux SabreLite DTs have only a single FlexCAN (``flexcan1``)\n+enabled.\n+\n+An example command to run QEMU emulating a Sabrelite development board\n+with both FlexCANs connected to a single QEMU CAN bus (called ``qcan0``),\n+bridged to host system ``can0`` interface::\n+\n+ qemu-system-arm -M sabrelite -smp 4 -m 1G \\\n+ -object can-bus,id=qcan0 \\\n+ -machine canbus0=qcan0 -machine canbus1=qcan0 \\\n+ -object can-host-socketcan,if=can0,canbus=qcan0,id=qcan0-socketcan \\\n+ -kernel ... -dtb ... -initrd ...\n+\n+Note that in the Linux guest, bitrate for the FlexCAN device is ignored,\n+but needs to be set via the ``ip`` command.\n+\n Links to other resources\n ------------------------\n \n", "prefixes": [ "v3", "7/7" ] }